Adapter for an insulator



1.1 : is a top view of showing the new design;

1.2 : is a right perspective view of showing the new design;

1.3 : is a bottom right perspective view of showing the new design;

1.4 : is a rear right perspective view of showing the new design;

1.5 : is a left perspective view of showing the new design;

1.6 : is a front view of showing the new design;

1.7 : is a right side view of showing the new design.

The broken lines in FIGS. 1.1-1.7 illustrate unclaimed subject matter and do not form any part of the claimed design. 

CLAIM The ornamental design for an adapter for an insulator, as shown and described. 